Spring calculators

Torsion spring calculator

Calculate the angular rate (N·mm/°), maximum safe torque and maximum angle of torsion springs with legs.

mm
mm
mm
°
Result
Angular rate5.813 N·mm/°
Max safe torque1080 N·mm
Max safe angle186°
Spring index9.00
Open in designer

Torsion springs store energy through rotation. The angular rate depends on the material's elastic modulus and the coil geometry.

Set the leg length and angle and see the available torque.